Legal claims defining the scope of protection, as filed with the USPTO.
1. A method for natural voice recognition based on a generative transformation/phrase structure grammar, comprising the following steps: analyzing a spoken phrase for triphones contained therein; forming words, contained in the spoken phrase, from the recognized triphones with the aid of dictionaries; and syntactically reconstructing the spoken phrase from the recognized words using a grammar, characterized in that the syntactic reconstruction of the spoken phrase comprises the following steps: allocating the recognized words to part-of-speech categories, including verbs, nouns, etc.; allocating the part-of-speech categories to nominal phrases and verbal phrases; combining the nominal phrases and verbal phrases according to syntactic rules into an object having a sequence of part-of-speech categories; comparing the sequence of the object having the sequence of part-of-speech categories with a plurality of sequences of part-of-speech categories of predetermined sentence models, and, in the case of an agreement, a sentence is considered as recognized and an action in a voice controlled application is triggered, wherein each predetermined sentence model has a number of variables allocated to part-of-speech categories, and when a sentence is considered as recognized, the variables allocated to the part-of-speech categories of the recognized sentence are filled with corresponding part-of-speech categories of the recognized words.
2. The method as claimed in claim 1 , characterized in that the words to be recognized are held available subdivided into various part-of-speech categories in the dictionaries.
3. The method as claimed in claim 1 , characterized in that the objects or parts thereof are linked to corresponding action parameters of a voice-controlled application.
4. The method as claimed in claim 1 , wherein each predetermined sentence model is defined by a word order of the part-of-speech categories.
5. The method as claimed in claim 4 , wherein the word order of the part-of-speech categories of the predetermined sentence model comprises “subject, verb, object” or “object, verb, subject.”
Unknown
June 16, 2009
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